@misc{indiciae3cfd82bcc203,
  title = {Decrease in serum concentration of 5 alpha-pregnane-3,20-dione prior to spontaneous labor.},
  author = {M Löfgren and T Bäckström and I Joelsson},
  year = {1988},
  doi = {10.3109/00016348809004262},
  url = {https://pubmed.ncbi.nlm.nih.gov/3218466/},
  note = {Source identifier: 3218466}
}